Define hierarchies in Power BI Designer on RDBMS without PowerPivot

Hi,
Is there a way to define hierarchies that can be used in the reports (drill down) in the Power BI Designer straight on an RDBMS source (similar to hierarchy definition in PowerPivot)?
Thanks!
Martin

My Current workaround for pulling data from SSRS until the dev team have worked out the odata issue is to pull the report in as a csv file:
Csv.Document(Web.Contents("http://Servername/ReportServer?/SummaryReport&rs:Command=Render&rs:Format=Csv")),
I also tried pulling an excel file from SSRS with no success.
Tried:
Excel.Workbook(URL)
Excel.Workbook(Web.Contents(URL))
Excel.Workbook(File.Contents(URL))
Excel.Workbook(File.Contents(Web.Contents(URL)))
if anyone has had luck pulling in an excel file from SSRS i would like to know how.
Is there a rough release date for the odata functionality?

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We have a business entity called Button and the button can be one of the following types:
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The second approach makes me write duplicate code but avoids poor performance on the database side.
I can tell you one thing that there wont exist something called a Button by itself, it always belongs to some type of button.
So I will really appreciate responses on this forum and I am sure this will help me in understanding OO approach better while at the same time, giving me an efficient performace.
Thanks in advance

I feel Tim in incorrect, the correct OO approach would be the "First Way", as behaviour common to the subclasses can be captured in the button class, even if the class itself is abstract.
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public (static) Button find(String buttonId) {
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protected
}HtmlButton would then implement just the abstract methods, e.g.:public class HtmlButton {
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return "htmlbuttons_tbl.html_content, htmlbuttons_tbl.html_btn_height";
public String getFromExpression() {
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We are working on native data received in the form of flat file (attaching a few lines below)
FWDREF VXA04_X001_GC
FWDREF VXA04_X010_GC
FWDREF VXA04_X050_GC
FWDREF VXA04_X051_GC
FWDREF VXA04_X075_GC
FWDREF VXA04_X100_GC
FWDREF VXA04_X101_GC
FWDREF VXA04_X150_GC
SECTIDAVXBOSY SHELL AND PANELS
SECTIDAGBBOSY SHELL AND PANELS
SECTIDABKº¾À¿ÃÁ ½° º°À¾ÁµÀ¸ÏÂ° ¸ ¿°½µ»¸
SECTIDACZDKELET KAROSERIE A PANELY
ILLREFBA1 A05_A1_B
ILLREFBA1-1 A05_A1-1_B
ILLREFBA1-2 A05_A1-2_B
FWDREF VXB04_X101_GC
FWDREF VXB04_X150_GC
SECTIDBVXBOSY SHELL AND PANELS
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SECTIDACZDKELET KAROSERIE A PANELY
ILLREFBA1 B05_A1_B
ILLREFBA1-1 B05_A1-1_B
This data is hierarchical.
-FWDREF
--SECTID
---ILLREF
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FWDREF VXB04_X150_GC
ILLREFBA1 B05_A1_B
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Thanks in advance

@rp0428
Thanks for taking out the time to reply to this. If we talk in terms of a tree structure, in the normal scenario we would the hierarchy as described before.
-FWDREF
--SECTID
---ILLREF
If we don't talk in terms of xml and xsd and just talk in terms of database and keys, FWDREF would be parent, SECTID would be child and ILLREF would be grandchild. Now, in case, SECTID does not appear, we would still want a key to be generated but have a default value corresponding to it so that the parent, child and grandchild relationship is mentioned.
The whole purpose of this XSD design is to use it in ODI where this feed file will be automatically loaded into tables from the XML generated with the parent, child and grandchild relationship maintained.
Also, I have taken a sample data set. In the actual case, the hierarchy goes upto a maximum of 20 levels.
Thanks to everyone and anyone who takes out time for this!

Define hierarchies in Power BI Designer on RDBMS without PowerPivot

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